Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser lower unit drawing outdrive parts 1 to 24

GLM aftermarket layout illustrated lower unit
parts drawing

  • GLM products are completely compatible and interchangeable with Mercruiser components.
  • GLM has committed to producing high quality and cost effective aftermarket Mercruiser for the past two decades New to our lower unit product line are Mercruiser propellers and hub sets.
  • Tech support Exploded view Mercruiser drawings

Mercruiser lower gearcase parts drawing years 1972-1982

Mercruiser lower gearcase parts drawing years 1972-1982

Mercruiser propeller

Mercruiser propeller

A
Propellers from Solas
18100 Alpha 1 lower unit complete

18100 Alpha 1 lower unit complete

1B
P/N 18100
GLM Marine aftermarket complete lower unit outdrive years 1972 to 1990 with 2 year limited warranty. No core deposit required. $1499.95

87510 Seal kit lower gearcase

87510 Seal kit lower gearcase

A
# 87510 Seal and gasket kit $42.95

25125 Alpha gears bearings shims 13-21

25125 Alpha gears bearings shims 13-21

B
# 25115 Seals, bearings and gear set parts
43-803079T1 $999.95

25110 shims bearings upper gearcase

25110 shims bearings upper gearcase

C
# 25110 Seal, shims and bearings set
31-803068T1 $233.95

12110 water pump

12110 water pump

D
#12110
Water pump set use with engine serial numbers 2791957 to 8225576. Approximate years 1970 to 1983 please check serial number to be sure $39.95

12130 serial number 2062141 to 2791956

12130 serial number 2062141 to 2791956

E
# 12130 Mercruiser water pump kit with engine serial numbers 2062141 to 2791956. Approximate years 1967 to 1969 please check serial number to be sure $70.95

12410 housing

12410 housing

2
# 12410 Water pump housing $29.95

12810 Cup OEM 48752

12810 Cup OEM 48752

# 12810 Water pump cup for the MC-1/R $5.95

89840

89840

4
# 89840
Impeller $13.95

21720 Alpha 1 washers

21720 Alpha 1 washers

5
# 21720
Washers - sold in units of three $4.95

12821 Bolt

12821 Bolt

 

6
P/N 12821
Screw for the water pump cover $10.95

21180-lock-nuts.JPG

21180 lock nuts

7
# 21180
Nuts *5 units $6.95

12830

12830

8
#
12830 Seal
12820 guide tube

12820 guide tube

9
# 12820
Guide tube for MC-1/R/MR $6.95

81160 o-ring for drive shaft

81160 o-ring for drive shaft

10
# 81160
O-ring $4.95
21190 lock nuts

21190 lock nuts

11
P/N 21190
Nuts (5) 11-13436 $9.95

21490 Washers

21490 Washers

12
# 21490
Washers *10 units $15.95

11070 5 impeller key

11070 5 impeller key

13
# 11070 Key *1 unit
28-56654 $9.95

31020

31020

Item 14
P/N 31020
Gasket water pump gasket

12510 impeller wear plate

12510 impeller wear plate

15
# 12510
wear plate
31010 lower wear plate gasket

31010 lower wear plate gasket

16
# 31010
Gasket
 
17
# 12310
Water pump base

85040 oil seal

18
# 85040
Oil seal $9.95
85070 oil seal

85070 oil seal

19
# 85070
Oil seal $10.95
81390 o ring water pump base

81390 o ring water pump base

20
# 82260
O-ring
31040 pump base to gear housing

31040 pump base to gear housing

21
# 31040
Gasket

21570 bearing

21570 1970-1983 OEM 31-53079A1
22
# 21570
Roller bearing $24.95

23300 shim kit

23300 shim

23
#
23300 *5 unit $7.95

21800 washers

21800 washers

24
# 21800
Washer *5 units #12-29395 $4.95